过而能改者，民之上也。
解释：犯了错误能够改正的人，是百姓中的上等人。
The curious paradox is that when I accept myself just as I am, then I can change.
Every problem in mathematics has a solution; you just have to find the right path.
The day you stop learning is the day you stop growing.
最危险的世界观是那些从未观察过世界的人的世界观。
Nature is the greatest artist.
质量不是目标；它是一个旅程。
对这个世界有所助益是获得快乐的唯一途径。
The past is always carried into the present by small things.